Read Applications section for pilot plants that use CO2 to make CH4 that can be used in the existing natural gas system. Also it’s being used to power a fleet of cars.
Only problem with CO2 capture to syngas is that it doesn’t permanently remove the CO2 from the atmosphere.
https://en.m.wikipedia.org/wiki/Sabatier_reaction
Quote:
<< The Sabatier reaction or Sabatier process produces methane and water from a reaction of hydrogen with carbon dioxide at elevated temperatures (optimally 300–400 °C) and pressures (perhaps 30 bar [1]) in the presence of a nickel catalyst. >>